Viewing archive of Wednesday, 12 December 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Dec 12 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 346 Issued at 0245Z on 12 Dec 2001 This report is compiled from data received at SWO on 11 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0255 0256 0257                       160
0330 0343 0347              C3.4     420
0758 0808 0814  9733 N16E41 X2.8  Sf 450    2600   II/IV
1442 1451 1457  9727 S26W35 M1.3  2n 1200   50
B. Proton Events
None
C. Geomagnetic Activity Summary
Activity was at quiet levels.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 221  SSN 154  Afr/Ap 004/004   X-ray Background C2.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.7e+05   GT 10 MeV 1.8e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.50e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 2 1 1 1 2 2 1 Planetary 1 1 0 1 1 2 2 2
F. Comments
  None

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:219
Current stretch spotless days:22

This day in history*

Solar flares
12014X3.1
22013M9.3
32003M7.6
42003M4.2
52014M4.0
ApG
1200263G2
2200338G3
3199433G1
4201126G3
5199926G1
*since 1994

Social networks